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2. Calcium oxide - Wikipedia

   en.wikipedia.org/wiki/Calcium_oxide

   Calcium oxide (formula: Ca O), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic , alkaline , crystalline solid at room temperature . The broadly used term lime connotes calcium-containing inorganic compounds , in which carbonates , oxides , and hydroxides of calcium, silicon , magnesium ...

3. Soil pH - Wikipedia

   en.wikipedia.org/wiki/Soil_pH

   Then, using the initial soil pH and the aluminium content, the amount of lime needed to raise the pH to a desired level can be calculated. [68] Amendments other than agricultural lime that can be used to increase the pH of soil include wood ash, industrial calcium oxide , magnesium oxide, basic slag (calcium silicate), and oyster shells.

4. Agricultural lime - Wikipedia

   en.wikipedia.org/wiki/Agricultural_lime

   Agricultural lime, also called aglime, agricultural limestone, garden lime or liming, is a soil additive made from pulverized limestone or chalk. The primary active component is calcium carbonate. Additional chemicals vary depending on the mineral source and may include calcium oxide.

5. Liming (soil) - Wikipedia

   en.wikipedia.org/wiki/Liming_(soil)

   Liming can also improve aggregate stability on clay soils.For this purpose structure lime, products containing calcium oxide (CaO) or hydroxide (Ca(OH) 2) in mixes with calcium carbonate (CaCO 3), are often used.

6. Calcium oxalate - Wikipedia

   en.wikipedia.org/wiki/Calcium_oxalate

   Many plants accumulate calcium oxalate as it has been reported in more than 1000 different genera of plants. [7] The calcium oxalate accumulation is linked to the detoxification of calcium (Ca 2+) in the plant. [8] Upon decomposition, the calcium oxalate is oxidised by bacteria, fungi, or wildfire to produce the soil nutrient calcium carbonate. [9]

7. Soil acidification - Wikipedia

   en.wikipedia.org/wiki/Soil_acidification

   Soil acidification is the buildup of hydrogen cations, which reduces the soil pH. Chemically, this happens when a proton donor gets added to the soil. The donor can be an acid, such as nitric acid, sulfuric acid, or carbonic acid. It can also be a compound such as aluminium sulfate, which reacts in the soil to release protons.